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Fix binary reader download duration histogram #8017

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Fix binary reader download duration histogram #8017

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@yeya24 yeya24 commented Dec 22, 2024 •
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  • I added CHANGELOG entry for this change.
  • Change is not relevant to the end user.

Changes

  • Enable native histograms for thanos_indexheader_download_duration_seconds and thanos_indexheader_load_duration_seconds metrics.
  • We seem to accidentally use loadDuration histogram when we actually download the index header, which seems wrong. https://github.com/thanos-io/thanos/blob/main/pkg/block/indexheader/binary_reader.go#L575
  • When using newMemoryBinaryReader, we didn't track the latency to download index header there, this PR just puts the latency track inside WriteBinary to cover all cases.

Verification

@yeya24 yeya24 force-pushed the fix-binary-reader-download-duration branch from 4571381 to 95b68da Compare December 22, 2024 21:53
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